Recall 77V-172: 1976–1977 Chevrolet D, 1976–1977 Chevrolet F and 8 more
GENERAL MOTORS CORP. recall for wheels, reported to NHTSA on Oct 12, 1977, covering about 685 vehicles.
The problem
The front axle aluminum hubs on the involved vehicles may contain a deficiency in the barrel area between the inner and outer bearings which may result in cracks which could eventually lead to hub failure.
The fix
Dealer will inspect and replace front axle aluminum hubs with steel hubs, without charge to owner.
Notes
Vehicle description: heavy trucks equipped with ff931 front axles and motorwheel aluminum front hubs.system: wheels; aluminum hubs.consequences of defect: when hub failure occurs, the separated hub is retainedon the axle spindle by the wheel bearing adjusting nuts. Continued vehicleoperation after a hub separation can result in 1) brake assembly lockup andconsequent loss of vehicle control, 2) excessive heat generation resulting fromthe brake line touching the brake drum which will cause a tire blowout and 3)progressive damage to the hub which would allow the hub, wheel, and tire tobecome disengaged from the vehicle.note: initial hub separation may be accompanied by a distinct sound at themoment of separation, along with thumping or wheel wobble.
Recall details
| Manufacturer | GENERAL MOTORS CORP. |
|---|---|
| Component | Wheels › Hub |
| Recall started by | the manufacturer |
| NHTSA campaign number | 77V172000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Chevrolet D | 1976, 1977 | All years |
| Chevrolet F | 1976, 1977 | All years |
| Chevrolet J9500 | 1976 | All years |
| Chevrolet M | 1976, 1977 | All years |
| GMC D | 1976, 1977 | All years |
| GMC F | 1976 | All years |
| GMC J9500 | 1976, 1977 | All years |
| GMC M | 1976 | All years |
| GMC M9500 | 1977 | All years |
| GMC N9500 | 1976, 1977 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 77V-172?
The front axle aluminum hubs on the involved vehicles may contain a deficiency in the barrel area between the inner and outer bearings which may result in cracks which could eventually lead to hub failure.
How is recall 77V-172 fixed?
Dealer will inspect and replace front axle aluminum hubs with steel hubs, without charge to owner.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.